#636486
Closest named color: Slate (#516572). oklch(51.6% 0.054 283), rgb(99, 100, 134).
Aa
White text reads best on this color (5.67:1).
About this color
#636486 is a medium-dark, muted purple. In OKLCH its lightness is 52%, its chroma 0.054 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.044 away. White text reads best on it, at 5.67:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.69:1 |
| White text | 5.67:1 |
Values
| HEX | #636486 |
| RGB | rgb(99, 100, 134) |
| HSL | hsl(238, 15%, 46%) |
| OKLCH | oklch(51.6% 0.054 283) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #636486 | 5.67:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #636486 | 3.69:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #636486 text on white | 5.67:1 | AA | Lc 78.4 | Fine for body text |
| #636486 text on black | 3.69:1 | AA large text | Lc -23.4 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D7D8E3
oklch(88.5% 0.015 281.9)
-
Step 300
300
#BEBFD1
oklch(80.9% 0.025 283.3)
-
Step 400
400
#9C9EBA
oklch(70.7% 0.041 282.1)
-
Step 500
500
#8486A9
oklch(63.1% 0.052 282.2)
-
Step 600
600
#6E6F95
oklch(55.6% 0.059 283.1)
-
Step 700
700 (this color)
#636486
oklch(51.6% 0.054 283)
-
Step 800
800
#4B4C67
oklch(42.7% 0.045 282.7)
-
Step 900
900
#3F3F54
oklch(37.6% 0.036 284.6)
-
Step 950
950
#252531
oklch(27% 0.022 284.8)
#636486 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5B6887 | 0.015 |
| Deuteranopia (no green cones) | #5A6685 | 0.014 |
| Tritanopia (no blue cones) | #5B6A70 | 0.047 |
| Achromatopsia (no color) | #676767 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #636486
#636486
oklch(51.6% 0.054 283)
- #6D6945
#6D6945
oklch(51.5% 0.053 102.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #636486, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.044
- Metallic Blue #4F738E ΔE 0.047
- Dusky Blue #475F94 ΔE 0.050
- Dusty Grape #545775 ΔE 0.050
- Dusty Purple #825F87 ΔE 0.051
- Muted Purple #805B87 ΔE 0.051
- Denim #3B638C ΔE 0.053
- Dim Gray #696969 ΔE 0.054
Use #636486 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.